package com.mmall.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import java.io.Serializable;

/**
 * Created by hanchao on 2018/1/8.
 */
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
//保证序列化json的时候,如果是null的对象,key也会消失
public class ServerResponse<T> implements Serializable{

    private  Integer status;
    protected String msg;
    private T data;

    private ServerResponse(int status){
        this.status = status;
    }
    private ServerResponse(int status,T data){
        this.status = status;
        this.data = data;
    }
    private ServerResponse(int status,String msg,T data){
        this.status = status;
        this.msg = msg;
        this.data = data;
    }
    private ServerResponse(int status,String msg){
        this.status = status;
        this.msg = msg;
    }
    @JsonIgnore
    //这个方法将不在序列化中
    public boolean isSuccess(){
        return  this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus(){ return status;}
    public T getData(){return  data;}
    public  String getMsg(){return msg;}

    public static  <T> ServerResponse<T> createdBySuccess(){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }
    public static <T>  ServerResponse<T>  createdBySuccessMessage(String msg){
        return  new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg);
    }
    public static <T> ServerResponse<T> createdBySuccess(T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
    }
    public static <T>  ServerResponse<T> createdBySuccess(String msg,T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg,data);
    }

    public static <T> ServerResponse<T> createdByError(){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
    }
    public static <T> ServerResponse<T> createdByErrorMessage(String msg){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),msg);
    }
    public static <T> ServerResponse<T> createdByErrorCodeMessage(int errorCode,String msg){
        return new ServerResponse<T>(errorCode,msg);
    }
}




